<title></title>
<style>
  .ddsmoothmenu {
    MARGIN: 0px auto; FONT: 12px Verdana; WIDTH: 730px
  }
  .ddsmoothmenu UL {
    PADDING-RIGHT: 0px; PADDING-LEFT: 0px;BACKGROUND: #2b9801;  Z-INDEX: 100; FLOAT: left; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; LIST-STYLE-TYPE: none
  }
  .ddsmoothmenu UL LI {
    DISPLAY: block; FLOAT: left; WIDTH: 81px; LINE-HEIGHT: 31px; POSITION: relative; TEXT-ALIGN: center
  }
  HTML .ddsmoothmenu UL LI {
    FLOAT: left; WIDTH: 81px; LINE-HEIGHT: 31px; POSITION: relative; TEXT-ALIGN: center
  }
  .ddsmoothmenu UL LI A {
    DISPLAY: block; FONT-WEIGHT: bold; WIDTH: 81px; TEXT-DECORATION: none
  }
  .ddsmoothmenu UL LI A:link {
    COLOR: #fff
  }
  .ddsmoothmenu UL LI A:visited {
    COLOR: #fff
  }
  .ddsmoothmenu UL LI A:hover {
    COLOR: #ffff00
  }
  .ddsmoothmenu UL LI UL {
    LEFT: 0px; VISIBILITY: hidden; POSITION: absolute
  }
  .ddsmoothmenu UL LI UL LI {
    BACKGROUND: #2b9801; FLOAT: left; WIDTH: 81px; LINE-HEIGHT: 25px; BORDER-BOTTOM: #96d47d 1px solid
  }
  .ddsmoothmenu UL LI UL LI A {
    DISPLAY: block; WIDTH: 81px; TEXT-DECORATION: none
  }
  .ddsmoothmenu UL LI UL LI A:hover {
    BACKGROUND: #51b228
  }
  .ddsmoothmenu UL LI UL LI UL {
    TOP: 0px
  }
  .downarrowclass {
    DISPLAY: none; POSITION: absolute
  }
  .rightarrowclass {
    DISPLAY: none; POSITION: absolute
  }
  .ddshadow {
    BACKGROUND: silver; LEFT: 0px; WIDTH: 0px; POSITION: absolute; TOP: 0px; HEIGHT: 0px
  }
  .toplevelshadow {
    opacity: 0.8
  }
</style>
<SCRIPT src="../../vendor/jquery1.3.2.js" type=text/javascript></SCRIPT>
<SCRIPT type=text/javascript>
  var ddsmoothmenu={

//Specify full URL to down and right arrow images (23 is padding-right added to top level LIs with drop downs):
    arrowimages: {down:['downarrowclass', '', 0], right:['rightarrowclass', '']},
    transition: {overtime:300, outtime:300}, //duration of slide in/ out animation, in milliseconds
    shadow: {enabled:false, offsetx:5, offsety:5},
    detectwebkit: navigator.userAgent.toLowerCase().indexOf("applewebkit")!=-1, //detect WebKit browsers (Safari, Chrome etc)
    getajaxmenu:function($, setting){ //function to fetch external page containing the panel DIVs
      var $menucontainer=$('#'+setting.contentsource[0]) //reference empty div on page that will hold menu
      $menucontainer.html("Loading Menu...")
      $.ajax({
        url: setting.contentsource[1], //path to external menu file
        async: true,
        error:function(ajaxrequest){
          $menucontainer.html('Error fetching content. Server Response: '+ajaxrequest.responseText)
        },
        success:function(content){
          $menucontainer.html(content)
          ddsmoothmenu.buildmenu($, setting)
        }
      })
    },

    buildshadow:function($, $subul){

    },

    buildmenu:function($, setting){
      var smoothmenu=ddsmoothmenu
      var $mainmenu=$("#"+setting.mainmenuid+">ul") //reference main menu UL
      var $headers=$mainmenu.find("ul").parent()
      $headers.each(function(i){
        var $curobj=$(this).css({zIndex: 100-i}) //reference current LI header
        var $subul=$(this).find('ul:eq(0)').css({display:'block'})
        this._dimensions={w:this.offsetWidth, h:this.offsetHeight, subulw:$subul.outerWidth(), subulh:$subul.outerHeight()}
        this.istopheader=$curobj.parents("ul").length==1? true : false //is top level header?
        $subul.css({top:this.istopheader? this._dimensions.h+"px" : 0})
        $curobj.children("a:eq(0)").css(this.istopheader? {paddingRight: smoothmenu.arrowimages.down[2]} : {}).append( //add arrow images
                '<img src="'+ (this.istopheader? smoothmenu.arrowimages.down[1] : smoothmenu.arrowimages.right[1])
                +'" class="' + (this.istopheader? smoothmenu.arrowimages.down[0] : smoothmenu.arrowimages.right[0])
                + '" style="border:0;" />'
        )
        if (smoothmenu.shadow.enabled){
          this._shadowoffset={x:(this.istopheader?$subul.offset().left+smoothmenu.shadow.offsetx : this._dimensions.w), y:(this.istopheader? $subul.offset().top+smoothmenu.shadow.offsety : $curobj.position().top)} //store this shadow's offsets
          if (this.istopheader)
            $parentshadow=$(document.body)
          else{
            var $parentLi=$curobj.parents("li:eq(0)")
            $parentshadow=$parentLi.get(0).$shadow
          }
          this.$shadow=$('<div class="ddshadow'+(this.istopheader? ' toplevelshadow' : '')+'"></div>').prependTo($parentshadow).css({left:this._shadowoffset.x+'px', top:this._shadowoffset.y+'px'})  //insert shadow DIV and set it to parent node for the next shadow div
        }
        $curobj.hover(
                function(e){
                  var $targetul=$(this).children("ul:eq(0)")
                  this._offsets={left:$(this).offset().left, top:$(this).offset().top}
                  var menuleft=this.istopheader? 0 : this._dimensions.w
                  menuleft=(this._offsets.left+menuleft+this._dimensions.subulw>$(window).width())? (this.istopheader? -this._dimensions.subulw+this._dimensions.w : -this._dimensions.w) : menuleft //calculate this sub menu's offsets from its parent
                  if ($targetul.queue().length<=1){ //if 1 or less queued animations
                    $targetul.css({left:menuleft+"px", width:this._dimensions.subulw+'px'}).animate({height:'show',opacity:'show'}, ddsmoothmenu.transition.overtime)
                    if (smoothmenu.shadow.enabled){
                      var shadowleft=this.istopheader? $targetul.offset().left+ddsmoothmenu.shadow.offsetx : menuleft
                      var shadowtop=this.istopheader?$targetul.offset().top+smoothmenu.shadow.offsety : this._shadowoffset.y
                      if (!this.istopheader && ddsmoothmenu.detectwebkit){ //in WebKit browsers, restore shadow's opacity to full
                        this.$shadow.css({opacity:1})
                      }
                      this.$shadow.css({overflow:'', width:this._dimensions.subulw+'px', left:shadowleft+'px', top:shadowtop+'px'}).animate({height:this._dimensions.subulh+'px'}, ddsmoothmenu.transition.overtime)
                    }
                  }
                },
                function(e){
                  var $targetul=$(this).children("ul:eq(0)")
                  $targetul.animate({height:'hide', opacity:'hide'}, ddsmoothmenu.transition.outtime)
                  if (smoothmenu.shadow.enabled){
                    if (ddsmoothmenu.detectwebkit){ //in WebKit browsers, set first child shadow's opacity to 0, as "overflow:hidden" doesn't work in them
                      this.$shadow.children('div:eq(0)').css({opacity:0})
                    }
                    this.$shadow.css({overflow:'hidden'}).animate({height:0}, ddsmoothmenu.transition.outtime)
                  }
                }
        ) //end hover
      }) //end $headers.each()
      $mainmenu.find("ul").css({display:'none', visibility:'visible'})
    },

    init:function(setting){
      if (typeof setting.customtheme=="object" && setting.customtheme.length==2){
        var mainmenuid='#'+setting.mainmenuid
        document.write('<style type="text/css">\n'
                +mainmenuid+', '+mainmenuid+' ul li a {background:'+setting.customtheme[0]+';}\n'
                +mainmenuid+' ul li a:hover {background:'+setting.customtheme[1]+';}\n'
                +'</style>')
      }
      jQuery(document).ready(function($){ //override default menu colors (default/hover) with custom set?
        if (typeof setting.contentsource=="object"){ //if external ajax menu
          ddsmoothmenu.getajaxmenu($, setting)
        }
        else{ //else if markup menu
          ddsmoothmenu.buildmenu($, setting)
        }
      })
    }

  } //end ddsmoothmenu variable

  //Initialize Menu instance(s):

  ddsmoothmenu.init({
    mainmenuid: "smoothmenu1", //menu DIV id
    customtheme: [], //override default menu CSS background values? Uncomment: ["normal_background", "hover_background"]
    contentsource: "markup" //"markup" or ["container_id", "path_to_menu_file"]
  })
</SCRIPT>

<DIV class=ddsmoothmenu id=smoothmenu1>
  <UL>
    <LI><A href="http://www.codefans.net">首页</A>
    </LI>
    <LI><A href="#">一年级</A>
      <UL>
        <LI><A href="#">一年级1班</A> </LI>
        <LI><A href="#">一年级2班</A> </LI>
        <LI><A href="#">一年级3班</A> </LI>
        <LI><A href="#">一年级4班</A> </LI>
        <LI><A href="#">一年级5班</A>
        </LI></UL></LI>
    <LI><A href="#">二年级</A>
      <UL>
        <LI><A href="#">二年级1班</A> </LI>
        <LI><A href="#">二年级2班</A> </LI>
        <LI><A href="#">二年级3班</A> </LI>
        <LI><A href="#">二年级4班</A> </LI>
        <LI><A href="#">二年级5班</A>
        </LI></UL></LI>
    <LI><A href="#">三年级</A>
      <UL>
        <LI><A href="#">三年级1班</A> </LI>
        <LI><A href="#">三年级2班</A> </LI>
        <LI><A href="#">三年级3班</A> </LI>
        <LI><A href="#">三年级4班</A> </LI>
        <LI><A href="#">三年级5班</A>
        </LI></UL></LI>
    <LI><A href="#">四年级</A>
      <UL>
        <LI><A href="#">四年级1班</A> </LI>
        <LI><A href="#">四年级2班</A> </LI>
        <LI><A href="#">四年级3班</A> </LI>
        <LI><A href="#">四年级4班</A> </LI>
        <LI><A href="#">四年级5班</A>
        </LI></UL></LI>
    <LI><A href="#">五年级</A>
      <UL>
        <LI><A href="#">五年级1班</A> </LI>
        <LI><A href="#">五年级2班</A> </LI>
        <LI><A href="#">五年级3班</A> </LI>
        <LI><A href="#">五年级4班</A> </LI>
        <LI><A href="#">五年级5班</A>
        </LI></UL></LI>
    <LI><A href="#">六年级</A>
      <UL>
        <LI><A href="#">六年级1班</A> </LI>
        <LI><A href="#">六年级2班</A> </LI>
        <LI><A href="#">六年级3班</A> </LI>
        <LI><A href="#">六年级4班</A> </LI>
        <LI><A href="#">六年级5班</A>
        </LI></UL></LI>
    <LI><A href="#">七年级</A>
      <UL>
        <LI><A href="#">七年级1班</A> </LI>
        <LI><A href="#">七年级2班</A> </LI>
        <LI><A href="#">七年级3班</A> </LI>
        <LI><A href="#">七年级4班</A> </LI>
        <LI><A href="#">七年级5班</A>
        </LI></UL></LI>
  </UL>
</DIV>